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Rename Result::as_deref_ok to as_deref

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This commit is contained in:
Lzu Tao 2020-01-06 12:59:46 +00:00
parent e621797264
commit a5f42397be
1 changed files with 2 additions and 25 deletions
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27
src/libcore/result.rs
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@ -1136,7 +1136,7 @@ impl<T: Deref, E> Result<T, E> {
///
/// Leaves the original `Result` in-place, creating a new one containing a reference to the
/// `Ok` type's `Deref::Target` type.
pub fn as_deref_ok(&self) -> Result<&T::Target, &E> {
pub fn as_deref(&self) -> Result<&T::Target, &E> {
self.as_ref().map(|t| t.deref())
}
}
@ -1152,24 +1152,13 @@ pub fn as_deref_err(&self) -> Result<&T, &E::Target> {
}
}
#[unstable(feature = "inner_deref", reason = "newly added", issue = "50264")]
impl<T: Deref, E: Deref> Result<T, E> {
/// Converts from `Result<T, E>` (or `&Result<T, E>`) to `Result<&T::Target, &E::Target>`.
///
/// Leaves the original `Result` in-place, creating a new one containing a reference to both
/// the `Ok` and `Err` types' `Deref::Target` types.
pub fn as_deref(&self) -> Result<&T::Target, &E::Target> {
self.as_ref().map(|t| t.deref()).map_err(|e| e.deref())
}
}
#[unstable(feature = "inner_deref", reason = "newly added", issue = "50264")]
impl<T: DerefMut, E> Result<T, E> {
/// Converts from `Result<T, E>` (or `&mut Result<T, E>`) to `Result<&mut T::Target, &mut E>`.
///
/// Leaves the original `Result` in-place, creating a new one containing a mutable reference to
/// the `Ok` type's `Deref::Target` type.
pub fn as_deref_mut_ok(&mut self) -> Result<&mut T::Target, &mut E> {
pub fn as_deref_mut(&mut self) -> Result<&mut T::Target, &mut E> {
self.as_mut().map(|t| t.deref_mut())
}
}
@ -1185,18 +1174,6 @@ pub fn as_deref_mut_err(&mut self) -> Result<&mut T, &mut E::Target> {
}
}
#[unstable(feature = "inner_deref", reason = "newly added", issue = "50264")]
impl<T: DerefMut, E: DerefMut> Result<T, E> {
/// Converts from `Result<T, E>` (or `&mut Result<T, E>`) to
/// `Result<&mut T::Target, &mut E::Target>`.
///
/// Leaves the original `Result` in-place, creating a new one containing a mutable reference to
/// both the `Ok` and `Err` types' `Deref::Target` types.
pub fn as_deref_mut(&mut self) -> Result<&mut T::Target, &mut E::Target> {
self.as_mut().map(|t| t.deref_mut()).map_err(|e| e.deref_mut())
}
}
impl<T, E> Result<Option<T>, E> {
/// Transposes a `Result` of an `Option` into an `Option` of a `Result`.
///